Qiangqiang Han

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This paper describes the simulated designs of an improved radial fed circuit and a varactor-mounted waveguide switch, which are expected to play important roles in the realization of a millimeter-wave switched sector-beam antenna. The aim of this antenna's development is to realize an ultra-high-speed gigabit-rate wireless LAN. In this paper, an(More)
Hydro-viscous winch is designed as a novel hoisting equipment based on original inclined mine hoisting winch and it overcomes the original winch shortcomings of low degree of automation. In order to research the starting performance of the winch, a simulation model was established in AMESim and the simulation results under the two start-up conditions, load(More)
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